Pith Number

pith:43RNWWYE

pith:2019:43RNWWYENF6MUHIGNO6MW4CGM4

not attested not anchored not stored refs pending

Observational evidence for a local underdensity in the Universe and its effect on the measurement of the Hubble Constant

Chris A. Collins, Gayoung Chon, Hans Boehringer

arxiv:1907.12402 v2 · 2019-07-29 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43RNWWYENF6MUHIGNO6MW4CGM4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

The tidal features of the classical Milky Way satellites: Expected in MOND but inconsistent with cold dark matter models

Receipt and verification

First computed	2026-07-05T00:28:11.083710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e2db5b04697cca1d066bbccb704667181d67af5dc265f40c970d3e8f8ef2ef

Aliases

arxiv: 1907.12402 · arxiv_version: 1907.12402v2 · doi: 10.48550/arxiv.1907.12402 · pith_short_12: 43RNWWYENF6M · pith_short_16: 43RNWWYENF6MUHIG · pith_short_8: 43RNWWYE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/43RNWWYENF6MUHIGNO6MW4CGM4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e6e2db5b04697cca1d066bbccb704667181d67af5dc265f40c970d3e8f8ef2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceaf50a5618f862580efd310c31573794c89a27ad8ad80238bd4f29cfe94a3ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-07-29T13:06:13Z",
    "title_canon_sha256": "8b779e5ed63ccee5cf274b50b96958785b78886db27a4749bffbd8f40c3ec15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12402",
    "kind": "arxiv",
    "version": 2
  }
}